Qualcomm Snapdragon 460 Advantages
Lower TDP (3W vs 5W)
HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.1536 TFLOPS )
Larger memory bandwidth (31.78GB/s vs 13.91GB/s)
Higher Frequency (2360MHz vs 1800MHz)
More modern manufacturing process (7nm vs 11nm)